Podium Pro MB1 Boom Microphone Arm Adjustable DJ Band Recording Mic Arm Podium Pro MB1 adjustable pro audio mic boom arm, 23" boom slides 18.5" from center pole and secures with tightening knob Telescopes to 38", standard 3/8" threaded insert attach to most mic stands, standard 5/8" top attach to most mic clips Mic clip and mic stand not included, designed and engineered in the USA Search MS1SET3, MS1SET4, MS1SET5, MS2SET3, MS2SET4, MS2SET5, MS2SET9, MS2SET10 and MS2SET11 for this boom with stand sets Use for DJ, PA, karaoke, live sound, band, studio, this listing and price is for 1 boom arm